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BIO 181 (27)
Lecture

BioNotes3_18_13.docx

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Department
Biology
Course
BIO 181
Professor
Bina Vanmali
Semester
Spring

Description
Biology Notes CellsCellular SignalingProblems in MulticellularityNeed to create constant internal environmentNeed for cell differentiationTransport of nutrients and wasteProtection of germ plasmCommunication and TransportThings need to move around in multicellular organismsCells need to communicate with internal and external environmentsSignalsCells must be set up to interpret signalsSignals may be chemical molecules or physical stimuli such as lightCells must have appropriate receptor proteinsOrganisms have multipl
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